Home / 199,306.56-298,959.84-136,787.52

Finding the Fourth Proportional to 199,306.56, 298,959.84 and 136,787.52

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Solution

The fourth proportional to 199,306.56, 298,959.84 and 136,787.52 is: 205,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,306.56 : 298,959.84 = 136,787.52 : x
  2. Step 2: Convert to fraction form
    199,306.56/298,959.84 = 136,787.52/x
  3. Step 3: Cross multiply
    199,306.56x = 298,959.84 × 136,787.52
  4. Step 4: Simplify right side
    199,306.56x = 40,893,975,093.20
  5. Step 5: Solve for x
    x = 40,893,975,093.20/199,306.56
  6. Step 6: Final answer
    x = 205,181.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.